Decibel Limits: Rialto vs Victorville
How do decibel limits rules compare between Rialto, CA and Victorville, CA?
Rialto and Victorville have similar restriction levels.
Rialto, CA
San Bernardino County
Rialto Municipal Code Title 9, Chapter 9.50 (Noise Control) establishes exterior noise limits measured at the property line of the impacted receiving land use. Limits vary by zoning of the receptor (residential strictest) and time of day (7am-10pm daytime vs 10pm-7am nighttime). Construction activity is separately regulated under the same chapter.
View full Rialto rules →Victorville, CA
San Bernardino County
Victorville sets zoning-based exterior decibel limits under VMC Chapter 13.01. Residential zones cap at about 65 dB(A) daytime and 55 dB(A) at night; commercial near 70 dB(A); industrial near 75 dB(A).
View full Victorville rules →Key Facts Comparison
| Fact | Rialto | Victorville |
|---|---|---|
| Code section | Rialto MC Ch. 9.50 | - |
| Measurement | Receiving property line (not source) | - |
| Day vs night | 7:00 am-10:00 pm daytime; 10:00 pm-7:00 am nighttime | - |
| State interior standard | 45 dB CNEL (CCR Title 24 Pt 2 §1207) | - |
| Residential Day | - | About 65 dB(A) |
| Residential Night | - | About 55 dB(A) |
| Commercial | - | About 70 dB(A) |
| Industrial | - | About 75 dB(A) |
| Method | - | A-weighted Type 2 meter |
Highlighted rows indicate differences between cities.
Rialto FAQ
Do I need a decibel meter to file a complaint?
No. Report to Community Compliance; code officers use calibrated Type 2 sound level meters.
Are these limits the same in every zone?
No. The limit depends on the zoning of the property hearing the noise, not the noise source's zoning.
Victorville FAQ
How are decibels measured in Victorville?
With an A-weighted Type 2 sound level meter at the receiving property line. Impulsive or tonal sounds can receive a 5 dB assessment penalty.
What if the freeway ambient already exceeds the limit?
The measured ambient becomes the enforceable standard, so new sources cannot raise the total noise level above that ambient.
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